<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <style>
      .box {
        width: 200px;
        height: 200px;
        background: pink;
      }
      .box2 {
        width: 100px;
        height: 100px;
        background: grey;
      }
    </style>

    <div class="box">
      <div class="box2"></div>
    </div>
    <script>
      //   var boxEle = document.querySelector(".box");
      //   boxEle.addEventListener("click", function (e) {
      //     console.log("点击了粉红色");
      //   });
      //   var box2Ele = document.querySelector(".box2");
      //   box2Ele.addEventListener("click", function (e) {
      //     console.log("点击了灰色");
      //     e.cancelBubble = true;
      //     e.stopPropagation();
      //   });
      var box2Ele = document.querySelector(".box2");
      box2Ele.onclick = function (e) {
        var target = e.target || e.srcElement;
        console.log(target);
      };
    </script>
  </body>
</html>
